WEEK 1: WORKFLOW DOCUMENTATION AIDS IN SYSTEMS - Post 3

The following are the four main methods of documentation.

1. Narrative description
2. Flowcharts
3. Data flow diagram (DFD)
4. Business process diagrams

QUESTION:  " Let’s analyze further the differences between a data flow diagram and a document flowchart.  They appear very similar, so are they redundant?  Why or why not?"

PLEASE POST 200 WORDS WITH REFERENCES